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Anon25 [30]
3 years ago
7

Which pair of angles must be congruent?

Mathematics
1 answer:
Allushta [10]3 years ago
5 0
The answer is:  [D]: vertical angles.
_______________________________
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If the diameter of a semi circle is 2 inches what is the semi circles perimeter
SpyIntel [72]

Answer: 5.14 cu in

Step-by-step explanation:

1/2 (π × d) + d, where d is the diameter of the semi

Perimeter = 1/2 (3.14 x 2) + 2

= 1/2 * 6.28 + 2

= 3.14 + 2

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3 years ago
An automotive manufacturer has developed a new type of tire that the research team believes to increase fuel efficiency. The man
Stolb23 [73]

Answer:

One tailed

To conclude if there is an increase in the mean gas mileage due to new type of tire.

Step-by-step explanation:

We are given the following in the question:

The manufacture wants to compare increase in the mean gas mileage.

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Thus, the manufacture could carry a hypothesis test to compare mean.

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Thus,

The automotive manufacturer should perform a one tailed hypothesis test to conclude if there is an increase in the mean gas mileage due to new type of tire.

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3 years ago
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jarptica [38.1K]

Answer:

R L Q

Step-by-step explanation:

Im pretty sure thats right sorry if Its not

4 0
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How can you use a compatible number to estimate a quotient when dividing a decimal by a whole number?
8090 [49]

Answer: just follow these simple steps!

Step-by-step explanation:

1. Estimate the quotient.

2. Perform the division. Remember to place a zero in the quotient when the divisor is larger than the dividend. ...

3. Compare your estimate with your quotient to verify that the answer makes sense.

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Step-by-step explanation:

b. what is the perimeter of the rectangle in terms of k?

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